Being good to yourself doesn't have to include a calendar full of luxury spa treatments (though who are we to judge?). It simply means treating yourself as well as you'd treat a friend.

By Nicole Frehsée, Kevin McCarthy and Melia Robinson

Photo: Thinkstock

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Are You Hungry?

Make yourself a mini Thanksgiving meal—a small turkey sandwich and a big slice of pumpkin pie. Tryptophan, a chemical in turkey, can increase your levels of serotonin, the feel-good hormone, but it needs help from carbs (hello, pie!) to make the mood-boosting magic happen.